Hardware Spec Index

Brontix FN-9431 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9431-PRO · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index227 (Case Fans scale)
Category rank#18,434
Street price$9
Power4 W
Performance per dollar25.22
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9431 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9431 Pro 140mm PWM Case Fan”, https://vextor7.com/item/4637052 (accessed 2026-10-24).